git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-mx3/pcm037.c

   1 /*
   2  *  Copyright (C) 2008 Sascha Hauer, Pengutronix
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include <linux/types.h>
  20 #include <linux/init.h>
  21
  22 #include <linux/platform_device.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/mtd/plat-ram.h>
  25 #include <linux/memory.h>
  26 #include <linux/gpio.h>
  27 #include <linux/smsc911x.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/at24.h>
  31 #include <linux/delay.h>
  32 #include <linux/spi/spi.h>
  33 #include <linux/irq.h>
  34
  35 #include <mach/hardware.h>
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/time.h>
  39 #include <asm/mach/map.h>
  40 #include <mach/common.h>
  41 #include <mach/imx-uart.h>
  42 #include <mach/iomux-mx3.h>
  43 #include <mach/ipu.h>
  44 #include <mach/board-pcm037.h>
  45 #include <mach/mx3fb.h>
  46 #include <mach/mxc_nand.h>
  47 #include <mach/mmc.h>
  48 #ifdef CONFIG_I2C_IMX
  49 #include <mach/i2c.h>
  50 #endif
  51
  52 #include "devices.h"
  53
  54 static unsigned int pcm037_pins[] = {
  55         /* I2C */
  56         MX31_PIN_CSPI2_MOSI__SCL,
  57         MX31_PIN_CSPI2_MISO__SDA,
  58         /* SDHC1 */
  59         MX31_PIN_SD1_DATA3__SD1_DATA3,
  60         MX31_PIN_SD1_DATA2__SD1_DATA2,
  61         MX31_PIN_SD1_DATA1__SD1_DATA1,
  62         MX31_PIN_SD1_DATA0__SD1_DATA0,
  63         MX31_PIN_SD1_CLK__SD1_CLK,
  64         MX31_PIN_SD1_CMD__SD1_CMD,
  65         IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
  66         IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
  67         /* SPI1 */
  68         MX31_PIN_CSPI1_MOSI__MOSI,
  69         MX31_PIN_CSPI1_MISO__MISO,
  70         MX31_PIN_CSPI1_SCLK__SCLK,
  71         MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
  72         MX31_PIN_CSPI1_SS0__SS0,
  73         MX31_PIN_CSPI1_SS1__SS1,
  74         MX31_PIN_CSPI1_SS2__SS2,
  75         /* UART1 */
  76         MX31_PIN_CTS1__CTS1,
  77         MX31_PIN_RTS1__RTS1,
  78         MX31_PIN_TXD1__TXD1,
  79         MX31_PIN_RXD1__RXD1,
  80         /* UART2 */
  81         MX31_PIN_TXD2__TXD2,
  82         MX31_PIN_RXD2__RXD2,
  83         MX31_PIN_CTS2__CTS2,
  84         MX31_PIN_RTS2__RTS2,
  85         /* UART3 */
  86         MX31_PIN_CSPI3_MOSI__RXD3,
  87         MX31_PIN_CSPI3_MISO__TXD3,
  88         MX31_PIN_CSPI3_SCLK__RTS3,
  89         MX31_PIN_CSPI3_SPI_RDY__CTS3,
  90         /* LAN9217 irq pin */
  91         IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
  92         /* Onewire */
  93         MX31_PIN_BATT_LINE__OWIRE,
  94         /* Framebuffer */
  95         MX31_PIN_LD0__LD0,
  96         MX31_PIN_LD1__LD1,
  97         MX31_PIN_LD2__LD2,
  98         MX31_PIN_LD3__LD3,
  99         MX31_PIN_LD4__LD4,
 100         MX31_PIN_LD5__LD5,
 101         MX31_PIN_LD6__LD6,
 102         MX31_PIN_LD7__LD7,
 103         MX31_PIN_LD8__LD8,
 104         MX31_PIN_LD9__LD9,
 105         MX31_PIN_LD10__LD10,
 106         MX31_PIN_LD11__LD11,
 107         MX31_PIN_LD12__LD12,
 108         MX31_PIN_LD13__LD13,
 109         MX31_PIN_LD14__LD14,
 110         MX31_PIN_LD15__LD15,
 111         MX31_PIN_LD16__LD16,
 112         MX31_PIN_LD17__LD17,
 113         MX31_PIN_VSYNC3__VSYNC3,
 114         MX31_PIN_HSYNC__HSYNC,
 115         MX31_PIN_FPSHIFT__FPSHIFT,
 116         MX31_PIN_DRDY0__DRDY0,
 117         MX31_PIN_D3_REV__D3_REV,
 118         MX31_PIN_CONTRAST__CONTRAST,
 119         MX31_PIN_D3_SPL__D3_SPL,
 120         MX31_PIN_D3_CLS__D3_CLS,
 121         MX31_PIN_LCS0__GPI03_23,
 122 };
 123
 124 static struct physmap_flash_data pcm037_flash_data = {
 125         .width  = 2,
 126 };
 127
 128 static struct resource pcm037_flash_resource = {
 129         .start  = 0xa0000000,
 130         .end    = 0xa1ffffff,
 131         .flags  = IORESOURCE_MEM,
 132 };
 133
 134 static struct platform_device pcm037_flash = {
 135         .name   = "physmap-flash",
 136         .id     = 0,
 137         .dev    = {
 138                 .platform_data  = &pcm037_flash_data,
 139         },
 140         .resource = &pcm037_flash_resource,
 141         .num_resources = 1,
 142 };
 143
 144 static struct imxuart_platform_data uart_pdata = {
 145         .flags = IMXUART_HAVE_RTSCTS,
 146 };
 147
 148 static struct resource smsc911x_resources[] = {
 149         [0] = {
 150                 .start          = CS1_BASE_ADDR + 0x300,
 151                 .end            = CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
 152                 .flags          = IORESOURCE_MEM,
 153         },
 154         [1] = {
 155                 .start          = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 156                 .end            = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 157                 .flags          = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 158         },
 159 };
 160
 161 static struct smsc911x_platform_config smsc911x_info = {
 162         .flags          = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
 163                           SMSC911X_SAVE_MAC_ADDRESS,
 164         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 165         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 166         .phy_interface  = PHY_INTERFACE_MODE_MII,
 167 };
 168
 169 static struct platform_device pcm037_eth = {
 170         .name           = "smsc911x",
 171         .id             = -1,
 172         .num_resources  = ARRAY_SIZE(smsc911x_resources),
 173         .resource       = smsc911x_resources,
 174         .dev            = {
 175                 .platform_data = &smsc911x_info,
 176         },
 177 };
 178
 179 static struct platdata_mtd_ram pcm038_sram_data = {
 180         .bankwidth = 2,
 181 };
 182
 183 static struct resource pcm038_sram_resource = {
 184         .start = CS4_BASE_ADDR,
 185         .end   = CS4_BASE_ADDR + 512 * 1024 - 1,
 186         .flags = IORESOURCE_MEM,
 187 };
 188
 189 static struct platform_device pcm037_sram_device = {
 190         .name = "mtd-ram",
 191         .id = 0,
 192         .dev = {
 193                 .platform_data = &pcm038_sram_data,
 194         },
 195         .num_resources = 1,
 196         .resource = &pcm038_sram_resource,
 197 };
 198
 199 static struct mxc_nand_platform_data pcm037_nand_board_info = {
 200         .width = 1,
 201         .hw_ecc = 1,
 202 };
 203
 204 #ifdef CONFIG_I2C_IMX
 205 static struct imxi2c_platform_data pcm037_i2c_1_data = {
 206         .bitrate = 100000,
 207 };
 208
 209 static struct at24_platform_data board_eeprom = {
 210         .byte_len = 4096,
 211         .page_size = 32,
 212         .flags = AT24_FLAG_ADDR16,
 213 };
 214
 215 static struct i2c_board_info pcm037_i2c_devices[] = {
 216        {
 217                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
 218                 .platform_data = &board_eeprom,
 219         }, {
 220                 I2C_BOARD_INFO("rtc-pcf8563", 0x51),
 221                 .type = "pcf8563",
 222         }
 223 };
 224 #endif
 225
 226 /* Not connected by default */
 227 #ifdef PCM970_SDHC_RW_SWITCH
 228 static int pcm970_sdhc1_get_ro(struct device *dev)
 229 {
 230         return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
 231 }
 232 #endif
 233
 234 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 235                 void *data)
 236 {
 237         int ret;
 238         int gpio_det, gpio_wp;
 239
 240         gpio_det = IOMUX_TO_GPIO(MX31_PIN_SCK6);
 241         gpio_wp = IOMUX_TO_GPIO(MX31_PIN_SFS6);
 242
 243         gpio_direction_input(gpio_det);
 244         gpio_direction_input(gpio_wp);
 245
 246         ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
 247                         IRQF_DISABLED | IRQF_TRIGGER_FALLING,
 248                                 "sdhc-detect", data);
 249         return ret;
 250 }
 251
 252 static void pcm970_sdhc1_exit(struct device *dev, void *data)
 253 {
 254         free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
 255 }
 256
 257 static struct imxmmc_platform_data sdhc_pdata = {
 258 #ifdef PCM970_SDHC_RW_SWITCH
 259         .get_ro = pcm970_sdhc1_get_ro,
 260 #endif
 261         .init = pcm970_sdhc1_init,
 262         .exit = pcm970_sdhc1_exit,
 263 };
 264
 265 static struct platform_device *devices[] __initdata = {
 266         &pcm037_flash,
 267         &pcm037_eth,
 268         &pcm037_sram_device,
 269 };
 270
 271 static struct ipu_platform_data mx3_ipu_data = {
 272         .irq_base = MXC_IPU_IRQ_START,
 273 };
 274
 275 static const struct fb_videomode fb_modedb[] = {
 276         {
 277                 /* 240x320 @ 60 Hz Sharp */
 278                 .name           = "Sharp-LQ035Q7DH06-QVGA",
 279                 .refresh        = 60,
 280                 .xres           = 240,
 281                 .yres           = 320,
 282                 .pixclock       = 185925,
 283                 .left_margin    = 9,
 284                 .right_margin   = 16,
 285                 .upper_margin   = 7,
 286                 .lower_margin   = 9,
 287                 .hsync_len      = 1,
 288                 .vsync_len      = 1,
 289                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
 290                                   FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
 291                 .vmode          = FB_VMODE_NONINTERLACED,
 292                 .flag           = 0,
 293         }, {
 294                 /* 240x320 @ 60 Hz */
 295                 .name           = "TX090",
 296                 .refresh        = 60,
 297                 .xres           = 240,
 298                 .yres           = 320,
 299                 .pixclock       = 38255,
 300                 .left_margin    = 144,
 301                 .right_margin   = 0,
 302                 .upper_margin   = 7,
 303                 .lower_margin   = 40,
 304                 .hsync_len      = 96,
 305                 .vsync_len      = 1,
 306                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
 307                 .vmode          = FB_VMODE_NONINTERLACED,
 308                 .flag           = 0,
 309         },
 310 };
 311
 312 static struct mx3fb_platform_data mx3fb_pdata = {
 313         .dma_dev        = &mx3_ipu.dev,
 314         .name           = "Sharp-LQ035Q7DH06-QVGA",
 315         .mode           = fb_modedb,
 316         .num_modes      = ARRAY_SIZE(fb_modedb),
 317 };
 318
 319 /*
 320  * Board specific initialization.
 321  */
 322 static void __init mxc_board_init(void)
 323 {
 324         mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 325                         "pcm037");
 326
 327         platform_add_devices(devices, ARRAY_SIZE(devices));
 328
 329         mxc_register_device(&mxc_uart_device0, &uart_pdata);
 330         mxc_register_device(&mxc_uart_device1, &uart_pdata);
 331         mxc_register_device(&mxc_uart_device2, &uart_pdata);
 332
 333         mxc_register_device(&mxc_w1_master_device, NULL);
 334
 335         /* LAN9217 IRQ pin */
 336         gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 337
 338 #ifdef CONFIG_I2C_IMX
 339         i2c_register_board_info(1, pcm037_i2c_devices,
 340                         ARRAY_SIZE(pcm037_i2c_devices));
 341
 342         mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
 343 #endif
 344         mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
 345         mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
 346         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 347         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 348 }
 349
 350 static void __init pcm037_timer_init(void)
 351 {
 352         mx31_clocks_init(26000000);
 353 }
 354
 355 struct sys_timer pcm037_timer = {
 356         .init   = pcm037_timer_init,
 357 };
 358
 359 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 360         /* Maintainer: Pengutronix */
 361         .phys_io        = AIPS1_BASE_ADDR,
 362         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
 363         .boot_params    = PHYS_OFFSET + 0x100,
 364         .map_io         = mx31_map_io,
 365         .init_irq       = mxc_init_irq,
 366         .init_machine   = mxc_board_init,
 367         .timer          = &pcm037_timer,
 368 MACHINE_END
 369